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Mid Level Developer Jobs in Plainfield, IL (NOW HIRING)

Constellation Energy

Engineer, Electrical I&C

Aurora, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear ...

Constellation Energy

Engineer, Electrical I&C

Lombard, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear ...

Constellation Energy

Engineer, Electrical I&C

Hinckley, IL · On-site

$92K - $114K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear ...

Constellation Energy

Engineer, Electrical I&C

Joliet, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear ...

Constellation Energy

Engineer, Electrical I&C

Aurora, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear ...

Constellation Energy

Engineer, Electrical I&C

Lockport, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear ...

Constellation Energy

Engineer, Electrical I&C

Batavia, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear ...

Constellation Energy

Engineer, Electrical I&C

Elgin, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear ...

Constellation Energy

Engineer, Electrical I&C

Hinckley, IL · On-site

$122K - $154K/yr

Mid-Level - $92,700 - $114,000 Sr Level - $122,400- $154,000 Primary Purpose of Position Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear ...

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Showing results 41-60

All JobsMid Level Developer JobsMid Level Developer Jobs in Plainfield, IL

Mid Level Developer information

See Plainfield, IL salary details

$10.7K

$84.5K

$110.1K

How much do mid level developer jobs pay per year?

As of Sep 7, 2026, the average yearly pay for mid level developer in Plainfield, IL is $84,474.00, according to ZipRecruiter salary data. Most workers in this role earn between $58,500.00 and $104,800.00 per year, depending on experience, location, and employer.

What is a mid level developer?

Mid Level Developers are software professionals who have gained several years of experience beyond entry-level positions and are proficient in coding, debugging, and collaborating on projects. They possess a strong understanding of programming languages, frameworks, and software development processes. Mid Level Developers often take on more responsibility than junior developers, such as mentoring newer team members, contributing to architectural decisions, and ensuring code quality. They are expected to work independently on tasks, communicate effectively with team members, and deliver reliable solutions to complex problems.

What are the key skills and qualifications needed to thrive as a mid level developer?

To thrive as a Mid Level Developer, you need solid programming skills in languages such as Java, Python, or JavaScript, along with a relevant degree or equivalent experience. Familiarity with version control systems like Git, integrated development environments (IDEs), and frameworks such as React or Spring Boot is typically required. Effective problem-solving, teamwork, and strong communication skills help you collaborate and adapt to project needs. These abilities ensure you can deliver reliable code, work smoothly with colleagues, and contribute to successful software projects.

What opportunities for professional growth can a mid level developer typically expect within a software development team?

As a Mid Level Developer, you can expect to take on more complex projects, mentor junior team members, and gradually assume greater ownership of features or modules. Many organizations support growth through peer code reviews, access to learning resources, and the chance to participate in architectural discussions. Advancement paths often include moving toward senior developer roles, technical leads, or specializing in areas like DevOps or security, depending on your interests and the company's needs.

What is the difference between Mid Level Developer vs Junior Developer?

AspectMid Level DeveloperJunior Developer
Experience2-4 years0-2 years
SkillsProficient in multiple programming languages, problem-solving, and project contributionBasic coding skills, learning foundational concepts
ResponsibilitiesDeveloping features, debugging, collaborating on projectsAssisting in tasks, learning codebases, under supervision
Work EnvironmentIndependent work, team collaboration, project ownership

The main difference between a Mid Level Developer and a Junior Developer lies in experience, skill proficiency, and responsibilities. Mid Level Developers have more experience, can handle complex tasks independently, and contribute significantly to projects, whereas Junior Developers are still learning foundational skills and typically work under supervision.

What are the most commonly searched types of Developer jobs in Plainfield, IL?

The most popular types of Developer jobs in Plainfield, IL are:

What are popular job titles related to Mid Level Developer jobs in Plainfield, IL?

For Mid Level Developer jobs in Plainfield, IL, the most frequently searched job titles are:

What job categories do people searching Mid Level Developer jobs in Plainfield, IL look for?

The top searched job categories for Mid Level Developer jobs in Plainfield, IL are:

What cities near Plainfield, IL are hiring for Mid Level Developer jobs?

Cities near Plainfield, IL with the most Mid Level Developer job openings:

Mid Level Developer jobs near you
Infographic showing various Mid Level Developer job openings in Plainfield, IL as of August 2026, with employment types broken down into 1% As Needed, 75% Full Time, 17% Part Time, and 7% Contract. Highlights an 91% Physical, 4% Hybrid, and 5% Remote job distribution, with an average salary of $84,474 per year, or $40.6 per hour.

Engineer, Electrical I&C

Constellation Energy

Sugar Grove, IL • On-site

$92K - $114K/yr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 20 days ago

Constellation Energy rating

8.6

Company rating: 8.6 out of 10

Based on 101 frontline employees who took The Breakroom Quiz

12th of 87 rated oil and gas companies

Job description

Who We Are

As the largest private-sector power producer in the world and the nation's largest producer of clean and reliable energy, Constellation is focused on our purpose: lighting the way to a brilliant tomorrow for all. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Now integrated with Calpine, our portfolio includes 55 gigawatts of capacity from nuclear, natural gas, geothermal, hydro, wind and solar facilities, with the generating capacity to power the equivalent of 27 million homes.
Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our people are the driving force behind our success. At Constellation, you can build a fulfilling career with opportunities to learn, grow and make an impact. By doing our best work and meeting new challenges, we can accomplish great things. Join us in meeting the country's energy needs today and tomorrow.

Total Rewards

Constellation offers an extensive selection of benefits and rewards to help our employees thrive professionally and personally. We provide competitive compensation and a wide-range of benefits that support both employees and their families, helping them prepare for the future. In addition to highly competitive salaries, eligible employees are offered a bonus program, 401(k) with company match, employee stock purchase program comprehensive medical, dental and vision benefits, including robust wellbeing programs disability and life insurance benefits paid time off for vacation, holidays, and sick days and much more.

***This Engineering role can be filled at the Mid-level or Senior Engineer level. Please see minimum qualifications list below for each level***

Expected salary range:

Mid-Level - $92,700 - $114,000

Sr Level - $122,400- $154,000

Primary Purpose of Position

Responsible for performing engineering and technical tasks, under general supervision, in support of nuclear plant operations.

Primary Duties and Accountabilities

  • Perform engineering and technical tasks as assigned by supervision applying general engineering principles
  • Assure all engineering products prepared are in accordance with applicable safety analyses, industry codes, engineering specifications and all regulatory requirements.
  • Participate in the development and implementation of effective processes and techniques at appropriate levels of detail and in compliance with established policies and procedures.
  • Recommend format and methodology improvements to standard processes and procedures.
  • Perform other job assignments and duties as directed by management or pursuant to company policy, including but not limited to emergency response, departmental coverage, call outs, and support of outage activities in positions outside the department

Minimum Qualifications

MINIMUM QUALIFICATIONS for Mid-level E02 Engineer

Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 2 years of nuclear or related engineering experience

Maintain minimum access requirements or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

MINIMUM QUALIFICATIONS for Senior E03 Engineer

Bachelor&rsquos degree in Engineering (Chemical, Civil/Structural, Electrical, Industrial, Mechanical or Nuclear) with 5 years of nuclear experience or related engineering experience

Maintain minimum access requirement or unescorted access requirements, as applicable, and favorable medical examination and/or testing in accordance with position duties

Preferred Qualifications

  • Engineer in training certification or Professional Engineer Registration
  • Transmission or generation protection experience
  • I&C Design Experience
  • SCADA and Controls Experience
  • Generator/Plant modifications experience

What Constellation Energy employees say

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